846880398169 has 8 divisors (see below), whose sum is σ = 912033774792. Its totient is φ = 781728268800.

The previous prime is 846880398163. The next prime is 846880398173. The reversal of 846880398169 is 961893088648.

It can be written as a sum of positive squares in 4 ways, for example, as 36183648400 + 810696749769 = 190220^2 + 900387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 846880398169 - 2¹⁷ = 846880267097 is a prime.

It is a super-2 number, since 2×846880398169² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 846880398098 and 846880398107.

It is not an unprimeable number, because it can be changed into a prime (846880398163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1479657 + ... + 1970569.

It is an arithmetic number, because the mean of its divisors is an integer number (114004221849).

Almost surely, 2^846880398169 is an apocalyptic number.

It is an amenable number.

846880398169 is a deficient number, since it is larger than the sum of its proper divisors (65153376623).

846880398169 is a wasteful number, since it uses less digits than its factorization.

846880398169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623627.

The product of its (nonzero) digits is 143327232, while the sum is 70.

The spelling of 846880398169 in words is "eight hundred forty-six billion, eight hundred eighty million, three hundred ninety-eight thousand, one hundred sixty-nine".